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ShellScriptでプログラムの実行時間測定

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はじめに

プログラムをいじらずに時間測定する方法

実行時間測定

script.sh
#!/bin/bash

start=`date +%s`

# 実行するプログラム
./program

end=`date +%s`

time=$((end - start))
echo $time
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